The 2011 Mustang V6 and GT has a new aluminum block/piston, double over-head cam, engine with increased horsepower, better fuel efficiency, and higher (7000rpm) redline. Both the V6 and GT also has a new tuned dual exhaust, 160mph speedometers, and new wheel offerings. That's right all Mustangs now have dual exhaust! Three new colors include Yellow Blaze, Race Red, and Ingot Silver. The GT has 5.0 fender emblems to match its 5.0L V8 engine, and the V6 is can be ordered with a bright Billet style grille found on the Mustang Club of America limited edition.